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kirill [66]
3 years ago
5

Please help, will give brainlist. 1. Solve the equation. Show all of your work.

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0

Answer:

d = 7.2

Step-by-step explanation:

To get d by itself, multiply both sides by 1.2.

6*1.2=7.2

d = 7.2

Mumz [18]3 years ago
7 0

Answer:

THE ANSWER IS 7.2 BECAUSE WHAT I HAD DID WAS I MULTIPLY 6 AND 1.2 AND 7.2 , LET ME SHOW HOW I GOT THE ANSWER.

D=7.2

6 * 1.2=7.2

Step-by-step explanation:

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Determine the ratio in which the point (–6, m) divides the join of A(–3, –1) and B(–8, 9). Also, find the value of m.
PSYCHO15rus [73]

Answer:

Ratio = 3 : 2 and value of m = 5.

Step-by-step explanation:

We are given the end points ( -3,-1 ) and ( -8,9 ) of a line and a point P = ( -6,m ) divides this line in a particular ratio.

Let us assume that it cuts the line in k : 1 ratio.

Then, the co-ordinates of P = ( \frac{-8k-3}{k+1},\frac{9k-1}{k+1} ).

But, \frac{-8k-3}{k+1} = -6

i.e. -8k-3 = -6k-6

i.e. -2k = -3

i.e. k = \frac{3}{2}

So, the ratio is k : 1 i.e \frac{3}{2} : 1 i.e. 3 : 2.

Hence, the ratio in which P divides the line is 3 : 2.

Also, \frac{9k-1}{k+1} = m where k = \frac{3}{2}

i.e. m = \frac{\frac{9 \times 3}{2}-1}{\frac{3}{2}-1}

i.e. m = \frac{27-2}{3+2}

i.e. m = \frac{25}{5}

i.e. m = 5.

Hence, the value of m is 5.

4 0
3 years ago
Read 2 more answers
Which statement best describes how to determine whether f(x) = x4 – x3 is an even function?
Maslowich
For an even function  f(x) = f(-x)

So its option A
5 0
4 years ago
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What number does x stand for in this equation?
Alex777 [14]

Answer:

C. -3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

-7x + 6 = 27

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 6 on both sides:                        -7x = 21
  2. [Division Property of Equality] Divide -7 on both sides:                                 x = -3
3 0
3 years ago
One root of is x = 2. What are all the roots of the function? Use the Remainder Theorem. x = 2, x = 3, or x = 4 x = –2, x = –3,
Nonamiya [84]

Answer:

A. x = 2, x = 3, or x = 4

I got 100%

8 0
3 years ago
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the monthly income of a family is rs 2500 the ratio of the expenditure and saving is 3:2 find amount of saving.​
Makovka662 [10]

Answer:

10,000

Step-by-step explanation:

Let expenditure be 3x and Saving be 2x.

So,

3x + 2x = 2500

5x = 2500

x = 2500/5

x = 500

So,

Expenditure = 3x = 3 × 500 = 1,500

Saving = 2x = 2 × 500 = 10,00

8 0
2 years ago
Read 2 more answers
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